Home / 27,816.98-38,386.71-15,552.50

Finding the Fourth Proportional to 27,816.98, 38,386.71 and 15,552.50

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Solution

The fourth proportional to 27,816.98, 38,386.71 and 15,552.50 is: 21,462.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,816.98 : 38,386.71 = 15,552.50 : x
  2. Step 2: Convert to fraction form
    27,816.98/38,386.71 = 15,552.50/x
  3. Step 3: Cross multiply
    27,816.98x = 38,386.71 × 15,552.50
  4. Step 4: Simplify right side
    27,816.98x = 597,009,307.28
  5. Step 5: Solve for x
    x = 597,009,307.28/27,816.98
  6. Step 6: Final answer
    x = 21,462.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.